Home / 3,688.55-5,089.83-2,272.01

Finding the Fourth Proportional to 3,688.55, 5,089.83 and 2,272.01

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Solution

The fourth proportional to 3,688.55, 5,089.83 and 2,272.01 is: 3,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.55 : 5,089.83 = 2,272.01 : x
  2. Step 2: Convert to fraction form
    3,688.55/5,089.83 = 2,272.01/x
  3. Step 3: Cross multiply
    3,688.55x = 5,089.83 × 2,272.01
  4. Step 4: Simplify right side
    3,688.55x = 11,564,144.66
  5. Step 5: Solve for x
    x = 11,564,144.66/3,688.55
  6. Step 6: Final answer
    x = 3,135.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.